Server + Swing (Append incoming messages to JTextArea Failure).

How do I get this to work? I want to append the incoming message to a JTextArea. It prints to the system, but won't append to the JTextArea... Is there a way to get this to work?
Thanks,
cc11rocks

“Don’t worry if it doesn’t work right. If everything did, you’d be out of a job.” (Mosher's Law of Software Engineering)
“If debugging is the process of removing bugs, then programming must be the process of putting them in.” (Edsger Dijkstra)